Fitting a straight line to a set of data yields the following prediction line: Y n i = 2 + 5Xi a. Interpret the meaning of the Y intercept, b0. b. Interpret the meaning of the slope, b1. c. Predict the value of Y for X = 3.   This is the question given , do I need to graph?

Advanced Engineering Mathematics
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ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
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Fitting a straight line to a set of data yields the following prediction line: Y n i = 2 + 5Xi a. Interpret the meaning of the Y intercept, b0. b. Interpret the meaning of the slope, b1. c. Predict the value of Y for X = 3.

 

This is the question given , do I need to graph?

I'm unclear. 

Expert Solution
Step 1

The equation of a line is given by y=mx+c, here m is the slope of the line and c is the y - intercept of the line. To obtain the values of y intercept plug in x= 0 in the equation of line and obtain the value of y.

The slope of the line can be obtained by looking up the coefficient of the x. This will also signify the derivative of y for this line.

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